CMASS040LU LNG Coriolis Mass Flowmeter

Steady Flow, Massive Measurement, Cryogenic Precision – Coriolis Mass Flow Meter Optimized for High-Flow LNG Applications.
In LNG receiving terminals, storage and transportation hubs, and large-scale bunkering systems, achieving high-precision mass flow measurement under cryogenic and high-flow conditions is crucial for ensuring operational efficiency and trade fairness.
Coriolis' DN40 cryogenic Coriolis mass flow meter, with its ultra-low temperature adaptability and high flow rate stability, is a reliable choice for the LNG industry.

Core Operational Challenges Addressed

1. Stable Measurement in Cryogenic Environments

• Challenge: LNG's extremely low temperature (≤-162°C) can cause material embrittlement, signal drift, and measurement inaccuracies in traditional flow meters.
• Solution:Designed specifically for cryogenic environments, both the sensor and transmitter offer ultra-low temperature resistance, ensuring long-term stable operation within a range of -200°C to +150°C.

2. Maintaining Accuracy Under High Flow Rates

• Challenge:High-flow impacts can cause pipeline vibration and signal interference, affecting measurement repeatability and accuracy.
• Solution:Utilizing a U-shaped tube structure combined with digital signal processing (DSP) technology, it effectively suppresses fluid vibration interference. With a turndown ratio of 100:1 and a maximum flow rate of 450 kg/min, it maintains an accuracy of ±0.15%.

3. Direct Mass Output Without Temperature or Pressure Compensation

• Challenge:Frequent changes in density and temperature during LNG vaporization require constant compensation for volumetric flow meters, leading to complex systems and cumulative errors.
• Solution:The Coriolis principle directly measures mass flow, unaffected by changes in medium properties, providing stable and reliable output while simplifying system structure.

4. High Pressure and Explosion-Proof Safety Requirements

• Challenge:LNG processes often involve high-pressure conditions, requiring compliance with explosion-proof and pressure vessel standards.
• Solution:With a maximum working pressure of 4MPa and Ex d ib IIC T6 Gb explosion-proof certification, it ensures safe operation.

Core Product Advantages

• Cryogenic Expertise: Optimized for cryogenic media such as LNG, liquid nitrogen, and liquid oxygen, with materials and processes tailored for low-temperature environments.
• High Accuracy for High Flow Rates: DN40 caliber supports a maximum flow rate of 450 kg/min, with ±0.15% accuracy and 0.075% repeatability.
• Direct Mass Measurement: No temperature or pressure compensation required; outputs multiple parameters including mass flow, density, and temperature.
• Robust Structure with No Moving Parts: U-shaped tube design ensures no wear, maintenance-free operation, and suitability for long-term use.
• Explosion-Proof Safety Certification:Complies with international standards such as ATEX and IECEx, making it suitable for hazardous areas.

Model and diameter

Typical Application Scenarios

• Unloading measurement and tank turnover at LNG receiving terminals
• Large-scale vehicle or ship bunkering at LNG refueling stations
• Custody transfer and trade measurement at liquefaction plants
• Leak detection and inventory management in cryogenic storage tanks
• Flow control of cryogenic media (e.g., liquid nitrogen, liquid oxygen) in chemical processes

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